zowa', 'kofeina'); â¦ Initializing an Associative Array Example: How can I randomize Wave Texture's Wave WIdth? Yes, I'd run it with array_intersect_key() first with expected keys. implode with simple array example With associative array Syntax of using the PHP implode method. But note that this is only useful when you're going to be searching the array multiple times. Create XML File You will be required to create an XML file or define XML data in the script to know the way in converting XML data into an associative PHP array. Connection between operational amplifiers. How to check an array is associative or sequential in PHP? Associative array PHP. Arrays have their place. Let's look at the various PHP array sorting functions.